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postage
1958, Dec 15 Opening of UNESCO Headquarters Building issue unwmk p. 12
| - | 1cor | bl & rose |
airmail
1945, Sep 1 1945 air issue p. 12.5
| - | 2.50cord | bl & rose |
1961, Nov 18 Dag Hammarskjold memorial issue p. 12
| - | 1cord | bl & rose |
1 to 3 of 3